10400123453 has 2 divisors, whose sum is σ = 10400123454. Its totient is φ = 10400123452.

The previous prime is 10400123413. The next prime is 10400123467. The reversal of 10400123453 is 35432100401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10051666564 + 348456889 = 100258^2 + 18667^2 .

It is an emirp because it is prime and its reverse (35432100401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10400123453 - 2⁸ = 10400123197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400123413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200061726 + 5200061727.

It is an arithmetic number, because the mean of its divisors is an integer number (5200061727).

Almost surely, 2^10400123453 is an apocalyptic number.

It is an amenable number.

10400123453 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400123453 is an equidigital number, since it uses as much as digits as its factorization.

10400123453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 10400123453 its reverse (35432100401), we get a palindrome (45832223854).

The spelling of 10400123453 in words is "ten billion, four hundred million, one hundred twenty-three thousand, four hundred fifty-three".